The TDM-1 series temperature transmitter is designed for gas and liquid measurement in a variety of industrial applications. Its modular compact design offers a unique combination of high measurement performance, flexible configuration and a robust stainless steel design.
Traditional temperature measurement is based on thermistor, thermocouple or RTD sensors. The TDM-1 is based on semiconductor diode junction sensor technology. The sensor technology offers high measurement accuracy and repeatability in combination with a fast response to temperature changes.
The novel dual sensor probe design offers two individually calibrated sensors for improved measurement stability and redundancy in critical applications.
Each product is individually tested and calibrated to comply to DIN 60751 class AA accuracy. The calibration sheet is supplied with the product and is also stored electronically in the product’s internal memory.
The IP67 sealed 316 stainless steel enclosure with integrated hydrophobic membrane is designed for extreme environments. The innovative moisture control barrier prevents internal moisture accumulation and water condensation when changes in ambient pressure, temperature and humidity occur.
The innovative S4-Connect™ USB digital communication interface provides access to the powerful digital core. It enables digital communication over the power supply line, thus eliminating the need for additional connector pins. The interface can be used for diagnostics, maintenance, service, calibration, setpoint configuration and setting of other customized parameters. Furthermore, the products offer pin compatibility with industry standard pin-outs for analog transducers.
The transmitter can be delivered with a custom configuration to match specific applications and requirements. Examples of pre-configured options include measurement range, pressure unit, setpoint configuration and analog output signal scaling. Customized products will be assigned a unique part number for easy and simple future re-ordering.
The optional setpoint can either be used for controlling or surveillance of the measured temperature via a solid-state relay. The basic control uses on/off regulation whereas the advanced option utilizes a programable built-in PID regulator. The built-in PID regulator can eliminate the need for a traditional external PID controller in OEM equipment where PID parameters are static.
The TDM-1 is available in versions with traditional analog output (e.g. 4-20 mA and 0-10 VDC) and various optional digital interfaces. Advantages by using digital communication include more noise-robust measurements and user-configurable settings such as relay switching, output scaling, etc. The industry standard IO-Link interface offers easy integration in industrial applications. The USB interface is a plug-and-play solution for standalone PC test systems.
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